MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 617b103fe31c8d53b7b64bd14c7daaf3b40d09d90658794a144c1217d5fe31fc. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Gafgyt
Vendor detections: 9
| SHA256 hash: | 617b103fe31c8d53b7b64bd14c7daaf3b40d09d90658794a144c1217d5fe31fc |
|---|---|
| SHA3-384 hash: | 5e482d5354761ab0ec76dac8c41805c3ca9dd5940b05a3121bebbf7cc8d1c0922681c0f25afef22e45c8b627eb9dd902 |
| SHA1 hash: | 00b8f57383f201f511114cffab5b1e4e0f3b4cd6 |
| MD5 hash: | 1f4d959e8734d5faa1a85d6fde5e6770 |
| humanhash: | berlin-whiskey-alpha-robin |
| File name: | i486 |
| Download: | download sample |
| Signature | Gafgyt |
| File size: | 118'915 bytes |
| First seen: | 2026-05-18 07:56:59 UTC |
| Last seen: | 2026-05-19 02:03:26 UTC |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 3072:mNYsTaWjhVxEbGNkBfPaOe7udhQB7TByZwBz7DcdQ8:RsTaWjhVxEbGNNCdStnDwn |
| TLSH | T1DBC34A05B752C0F6C1430BB001A79BB90735FD721676EE1AE718BFB48E722817969B2D |
| telfhash | t171210241e9f80d195af3506098b8179486879c26b4733e328f98c280897a50b5516fef |
| TrID | 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1) |
| Magika | elf |
| Reporter |  abuse_ch |
| Tags: | elf gafgyt |
Intelligence
File Origin
# of uploads :
2
# of downloads :
90
Origin country :
DEVendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:
Behaviour
Connection attempt
Manages services
Removes directories from a temporary directory
Kills processes
Launching a process
Removes directories from a subdirectory of a temporary directory
Deletes a file
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
bash gcc lolbin rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-05-18T05:57:00Z UTC
Last seen:
2026-05-19T19:49:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Malware family:
Mirai
Verdict:
Malicious
Result
Threat name:
Gafgyt
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-05-18 07:57:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
6/10
Tags:
defense_evasion discovery linux
Behaviour
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Reads system network configuration
Deletes log files
Enumerates running processes
Reads system routing table
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Trojan_Gafgyt_20f5e74f |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_7167d08f |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_71e487ea |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_750fe002 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_9127f7be |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_c573932b |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Gafgyt_fb14e81f |
|---|---|
| Author: | Elastic Security |
| Reference: | 0fd07e6068a721774716eb4940e2c19faef02d5bdacf3b018bf5995fa98a3a27 |
| Rule name: | Linux_Trojan_Mirai_3a56423b |
|---|---|
| Author: | Elastic Security |
| Rule name: | Mal_LNX_Gafgyt_Botnet_ELF |
|---|---|
| Author: | Phatcharadol Thangplub |
| Description: | Use to detect Gafgyt botnet, and there variants. |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | setsockopt |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for setsockopt() red flags |
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
| Rule name: | unixredflags3 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | Hunts for UNIX red flags |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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